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Dr. Alvaro Pascual-Leone discusses making changes to the brain with magnets. Without invasive surgery, magnets used to turn off or turn on key parts of the brain to help treat things like migraines, stroke, Parkinsons, epilepsy, and depression.

Associate Director of MIT's SENSEable City Lab tells us about the interactive city of the future, and about how he's developing mini LED helicopters that will be like pixels from your computer screen come to life to display messages around the city.

Robert Wood, Harvard. Developing mechanical bees to mimic the work real bees do in areas with low bee population, perhaps saving the planet because current bee populations are dying off at an alarming rate, causing a major disruption in the world's ecosystems.

Harvard professor and former soldier doing research to prevent concussions, including exploring developing a pill that soldiers and athletes may be able to take in the moments immediately after getting hit to prevent a concussion

This Week on Shining City

Harvard psychologist and prolific author Steven Pinker challenges the doctrine that human beings are peaceful by nature and corrupted by modern institutions. His research shows the opposite: far from causing us to become more violent, something in modernity and its cultural institutions has made us more virtuous. If Pinker is correct that war and violence are natural to us, will we ever achieve world peace?